At 09:24 PM 5/7/2016, Alistair Bel wrote:
>Sometimes there seems to be a considerable amount of initial effort
>required to budge the nut. Well over the 365 ft lbs tightening torque.

Don't forget, it's 500 newton-meters torque *and then tighten to the
next slot on the castellation*.  But I think fasteners in general
take more torque to start them once they've gotten used to being tight.

d